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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6561251999

Certificate GIA 6561251999

Diamond specifications and retailer prices

From HK$5,688 HKD
As of November 4, 2026
Save HK$3,396 HKD (37%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$9,084 HKD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561251999. Listed at 11 retailers as of November 4, 2026, with prices from HK$5,688 to HK$9,084, a HK$3,396 spread on the same certified stone. Frank Darling lists it at HK$9,084. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.81
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561251999
Dimensions5.93 × 5.95 × 3.72 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.93 mm5.95 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561251999
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$9,084 HKD|Low: HK$5,633 HKD|High: HK$9,788 HKD|Avg: HK$7,402 HKD|-7.2%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7HK$5,688 HKD
Retailer 5HK$5,696 HKD
Retailer 11HK$5,805 HKD
Retailer 9HK$5,939 HKD
Retailer 2HK$6,394 HKD
Retailer 10HK$6,857 HKD
Retailer 8HK$7,539 HKD
Retailer 6HK$7,720 HKD
Retailer 4HK$7,743 HKD
Retailer 3HK$8,708 HKD
Frank DarlingHK$9,084 HKD

43 data points across 11 retailers

11 retailersHK$5,688 HKD to HK$9,084 HKD

A
Cheapest Retailer
-
HK$5,688 HKD
A
Retailer 2
-
HK$5,696 HKD
View
A
Retailer 3
-
HK$5,805 HKD
View
A
Retailer 4
-
HK$5,939 HKD
View
A
Retailer 5
-
HK$6,394 HKD
View
A
Retailer 6
-
HK$6,857 HKD
View
B+
Retailer 7
-
HK$7,539 HKD
View
A
Retailer 8
-
HK$7,720 HKD
View
A
Retailer 9
-
HK$7,743 HKD
View
B+
Retailer 10
-
HK$8,708 HKD
View
Most Expensive
B+
Frank Darling
2688565HK · Nov 6
HK$9,084 HKD
$1,158 USD
View
10 more retailers have this diamond
Prices start from HK$5,688 HKDSave up to HK$3,396 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.81ct Round
HK$5,688 HKD